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2/5x-1/3=2/3
2/5x=2/3+1/3
2/5x=1
x=1/(2/5)
x=5/2
B)
x+1/3=2x+1/3
1/3-1/3=2x-x
0=2x
x=0
c)
3/2(x-1)+1/2=0
3/2x-3/2+1/2=0
3/2x=3/2-1/2
3/2x=1
x=1/(3/2)
x=2/3
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